550M's 3-Stage DPI LED allows you to know instantly the DPI level you are using, w/o needing to move the mouse around to check its sensitivity

The palm backlight and the 3-Stage DPI LED indicator are both RGB backlight systems that work independently and which can be used to know always which configuration profile you're currently using

Interface: Golden-plated USB plug

Tracking Method: Optical

Cable Length: 1.8 m Braided Cable

Resolution: 50-6400 DPI

Polling Rate: 1000Hz/1ms

On-board Memory: 512KB

Frame Rate: 12500FPS

Maximum Tracking Speed : 200 IPS

Maximum Acceleration : 50G

Programmable Buttons: 6 buttons

Software: COUGAR UIX SYSTEM

Switching: OMRON Gaming Switch

Profile LED Backlight : 2 ZONE 16.8 Million Colors

Color: Iron-Grey

System Requirement: Windows 7/ 8/ 8.1 32bit/64bit

Dimensions (WxLxH): 2.76 x 5.31 x 1.77 inch

Weight: 0.27 lbs

* Product descriptions and part numbers are subject to change, and may not reflect manufacturer product changes. Please check the manufacturer's website and use the item's manufacturer part number to find the most up to date product description.

I ordered this Blu Ray drive yesterday around noon and checked the tracking today and it was out for delivery. I believe it was less than 24 hours from the time I ordered until it got here, and the sh...(more)